>I am writing from a non-profit agency regarding information on
>how to place a give button in our web site. We are interested in
>accepting donations from credit cards through the Web but have no
>idea how to start. Can you give some info. thanks.

www.paypal.com offers this service. They only have 7 million
members, so that narrows the market considerably; however, PayPal
has no application fee, and only charges 2.9% of the donation. So
it might be a good quick way to experiment -- and possibly to
fund a more ambitious undertaking later.